Put BYOB [bring your own bottle, or booze ] on the invitation.
Bring a card or small token gift.
It is not good etiquette to bring a steak knife to a restaurant. They normally would provide them.
* The best thing to do when someone does not buy a wedding gift for your son or daughter's wedding is to ignore it. Some of these guests may well give a wedding gift later and those that don't then they have no etiquette and just remember that when it's their turn if one of their children gets married. It's not worth the energy to bring it up and is not proper etiquette to do so.
* The proper etiquette for students attending open houses at friends: Be sure you are invited; you do not ask additional friends unless you ask the person having the open house if you can bring them!; if there is no alcohol allowed then don't bring it!; when in the person's house help them out by keeping an eye on other guests as sometimes a few can sneak in alcohol and get out of hand and trash your friend's parent's home.
You do not have to pay foranyone's dinner. However, proper etiquette says that if you can pay in this situation, you do.
Foreigners can bring 1 1/2 litres of liquor and 2 bottles of wine. Locals can bring 2 1/2 litres of liquor and 2 bottles of wine.
Yes
no
If you know people are coming to visit you who do not know about, or have experience of, your local climatic conditions, it would be considered helpful (by your gusts) to have some advise/guidance as to what to bring with them and as to how formal / casual this should be during their visit with you.
bring me some liquor in Spanish is " traime licor"
No.
yes 1500 ml